1. USB2.0 MP3 player. 2. Support MP3 file: WMA/WMV/ASF/WAV audio format. 3. Blue back/ seven color light LCD disply. 4. Voice recorder, special preview mode. 5. Key hold function. 6. Built in Lithium Battery can broadcast 8hrs 7. Five EQ mode: normal/rock/classic/jazz/pop. 8. Language: can convert 8 language . 9. Other:Metals outer shell,mini fashionable.